Patents for B21D 7 - Bending rods, profiles, or tubes (6,195)
12/2002
12/04/2002EP1262252A1 Bending device
12/03/2002US6487889 Tube bender
11/2002
11/28/2002WO2002094468A1 Tool for a bending machine
11/28/2002US20020174703 Bending device
11/28/2002US20020174700 Section bending machine
11/27/2002EP1260745A2 System and method for using bent pipes in high-purity fluid handling systems
11/27/2002EP1260287A2 Long member bending apparatus
11/27/2002EP1259337A1 Steel pipe bending apparatus and method
11/27/2002CN2522189Y Improvement of U-shape bent-tube soft rubber-cover mould
11/21/2002US20020170329 Long member bending apparatus
11/20/2002EP1257372A1 Bending device for bending plastically deformable strip material
11/20/2002CN2520959Y Busbar bending machine die
11/20/2002CN2520958Y Device for bending pipe
11/14/2002US20020166590 System and method for using bent pipes in high-purity fluid handling systems
11/11/2002CA2670718A1 System and method for using bent pipes in high-purity fluid handling systems
11/11/2002CA2384397A1 System and method for using bent pipes in high-purity fluid handling systems
11/07/2002WO2002074464A8 Tool for bending ceiling support rods
11/06/2002EP0852522B1 Quick change tooling method and apparatus
11/06/2002CN2519704Y Roller type moulding machine
11/05/2002US6474124 Cold steel cambering apparatus and method
10/2002
10/31/2002WO2002085550A1 Method and device for the production of curved spring strip sections
10/31/2002DE10119324A1 Pipe bending method involves optically determining distance between pipe and bending plate after bending by relating detected optical value to bending angle
10/30/2002CN2518614Y Module for automatic rail bender
10/30/2002CN1093441C Device for bending iron-plate of refrigerator casing and method thereof
10/24/2002WO2001051228A3 A sweep forming assembly, a bumper and a method of manufacture thereof
10/24/2002US20020152788 Folding system for a cutting blade
10/23/2002CN1375363A Apparatus and method for making thick-wall bend
10/16/2002EP1115516B1 Apparatus and method for bending tubular or rod-shaped material
10/15/2002US6463780 Tube bender and process
10/10/2002DE10120050C1 Method, for producing curved spring strip sections, involves adjusting one support position adjacent to a further support position perpendicular to the spring strip in the direction of the strip thickness
10/08/2002US6460395 System and method for bending a structural member
10/02/2002DE10115047A1 Producing curved sections of spring strip e.g. for windscreen wipers, involves detecting material thickness and other bending-related data before bending, using to correct setting of bending and bending back radii
10/02/2002DE10106741A1 Process for providing a straight pipeline with bends comprises rotating a first section of a pipeline fixed between a bending position and a clamping position about the longitudinal axis to dampen a swinging movement of a second section
10/02/2002CN2513691Y Electric metal flower bender
10/01/2002US6457344 Bender stand
09/2002
09/26/2002WO2002074464A1 Tool for bending ceiling support rods
09/26/2002US20020134454 Tool for bending a ceiling support rod
09/25/2002CN2512529Y Hooping curving machine
09/19/2002WO2002072292A1 Method for extrusion and extrusion plant, in particular for production of bent extruded products
09/19/2002US20020129636 Apparatus and method for manufacturing thick-walled bent pipe
09/19/2002DE10111062A1 Verfahren und Strangpreßanlage, insbesondere zum Herstellen von gekrümmten Strangpreßprodukten A method and Strangpreßanlage, in particular for producing curved Strangpreßprodukten
09/18/2002CN1369334A Bender for bending material, such as tube, rod section and/or metal wire rod
09/17/2002US6450001 Method and apparatus for manufacturing thick-walled bent pipe
09/11/2002CN2510190Y High-efficient bending-forming machine for multi-shape building hooping
09/10/2002US6446484 Method to vary bend radius while forming a stabilizer bar
09/10/2002US6446483 Bending tool and method for pipes of differing widths
09/10/2002US6446482 Battery operated hydraulic compression tool with rapid ram advance
09/05/2002DE10205789A1 Bending head for bending tubes has operating bush and central mandrel linearly adjustable on hollow stem sleeve
08/2002
08/29/2002US20020116979 Wheel alignment apparatus for bending front axles
08/28/2002EP1233837A2 Method for forming an initial profile or a tool of the kind and a profile therefor
08/26/2002CA2373292A1 Hand bender alignment device
08/20/2002US6434995 Method of bending small diameter metal pipe and its apparatus
08/20/2002US6434993 Bending machine for bending threadlike material such as tubes, rods profiles or metal wire
08/14/2002EP1230996A2 Cold bending machine, operating by controlled drawing of elongated profiles
08/08/2002US20020104361 Bending machine for bending threadlike material such as tubes, rods profiles or metal wire
08/08/2002US20020104354 Bending machine for pipes, sections or similar
07/2002
07/31/2002EP1226887A1 Machine for bending elongated articles like tubes, bars, profiles or metallic wires
07/31/2002CN2502817Y 360 degree screw tube bending machine
07/25/2002US20020096803 Process and apparatus for shaping and processing pieces of material
07/25/2002US20020096059 Oil pressure device
07/24/2002CN1360526A Wire bending machine and bending method
07/24/2002CN1087979C Swinging self-positioning support for pipe bending machines
07/23/2002US6422054 Conduit bending tool
07/16/2002US6418773 Rebar bender/cutter
07/11/2002US20020088265 Bending apparatus for a long material
07/09/2002US6416449 Device for changing bending tools
07/09/2002CA2130694C U-bolt bending apparatus
07/03/2002EP1219363A2 Bending apparatus for a long material
06/2002
06/26/2002CN2496575Y Bending machine to control bending form angle
06/20/2002DE10062828A1 Bending process for plastic pipe sections uses equipment which can produce several simultaneous bends along the pipe length
06/18/2002US6405574 Folding system for a cutting blade
06/11/2002CA2259731C Intrados induction heating for tight radius rotary draw bend
06/06/2002DE10060605A1 Pipe bending machine has two bending heads with different bending directions
05/2002
05/23/2002US20020059820 Device and method for shaping conductor material into U-shape by bending the same
05/22/2002EP1051268B1 Tube bending machine and magazine device thereof
05/15/2002CN2491148Y Stirrup bending former
05/15/2002CN1348841A Manufacture of cold rolled face bend pipe
05/14/2002US6385856 Pipe-bending alignment device
04/2002
04/30/2002CA2245353C Universal machine for bending pipes or section bars to both fixed and variable curvatures
04/25/2002US20020046454 Method of making flat blade windshield wipers for a motor vehicle with curved flat blade
04/24/2002EP1199115A1 Method and apparatus for bending sections and the like according to programmable radii of curvature
04/18/2002DE10044682A1 Verfahren und Platine zur Herstellung eines kaltumgeformten Bauteils aus Stahlblech und Verwendung einer Platine Method and circuit board for producing a cold-formed steel member panel and use a board
04/17/2002EP1115517B1 Grasping device for changing bending tools on a tube bending machine
04/10/2002EP1195209A1 Wire bending machine and bending method
04/10/2002CN2485065Y Pipe-bending machine with control of precisive bending angle
03/2002
03/28/2002US20020035772 Procedure and sheet bar for manufacturing a cold-formed component out of sheet steel and use of a sheet bar
03/20/2002EP1187689A1 Methods for production of continuous stretches of circular cylindrical members, tools, use of a tool, a length of pipe and pipe parts
03/20/2002CN1340390A Bending-processed product and its bending processing method and its bending processing device used
03/14/2002US20020029606 Conduit bending tool
03/14/2002US20020029604 Method of bending a long length of a member and bending apparatus for use in such method
03/13/2002EP1186358A2 Process and platelet for the production of a cold worked workpiece out of plate and use of a platelet
03/13/2002EP1185386A1 Method for producing pipe bends from spirally welded, straight pipes
03/06/2002EP1184099A1 A machine for bending metal rods with a variable length support table
03/06/2002EP1184098A2 Bent work and bending method and bending device used therefor
02/2002
02/27/2002EP1181117A1 Bending machine for pipes, sections or similar
02/21/2002WO2002013988A1 Apparatus and method for forming an elongated article
02/20/2002CN1336870A Laminated material and method of bending laminated material
02/20/2002CN1336854A Procedure for bending a profiled metal element while limiting deformation of its cross-sectional shape
02/19/2002US6347539 Bending method for pipe material
02/13/2002EP1035930B1 Forming tool heating device
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